//out:./css/
* {
  box-sizing: border-box;
  margin: 0;
}

.container {
  margin: 250px auto;
  width: 400px;
  // background-color: palegoldenrod;
  .henXian{
    width: 100%;
    height: 4px;
    background-color: #999;
    .henXian2{
      background-color: blue;
      height: 100%;
      width: 0;
    }
  }

  .progress {
    transform: translateY(-17px);
    display: flex;
    justify-content: space-between;

    .circle {
      width: 30px;
      height: 30px;
      border: 4px solid #999;
      border-radius: 50%;
      text-align: center;
      z-index: 1;
      background-color: #efefef;
    }

    .active {
      border-color: blue;
      transition: all .5s;
    }
  }

  .button1 {
    display: flex;
    padding: 30px 50px;
    justify-content: space-between;

    .btn_style {
      background-color: rgb(28, 195, 189);
      width: 40px;
      height: 25px;
      text-align: center;
      line-height: 25px;
      border-radius: 5px;
      cursor: pointer;
      border: 0px;
    }
  }
}